/**
 * whatsmyname.site 全新暗色主题样式
 * 主色调：橙色系 + 深色背景
 * 设计风格：现代化卡片式布局
 */

/* 全局暗色主题变量 */
:root {
    --primary-orange: #ff6b35;
    --primary-orange-dark: #e55a2b;
    --primary-orange-light: #ff8c5a;
    --secondary-yellow: #ffa726;
    --accent-teal: #26a69a;
    --dark-bg: #1a1a1a;
    --dark-card: #2d2d2d;
    --dark-surface: #3d3d3d;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    --border-color: #404040;
    --success-green: #4caf50;
    --warning-amber: #ff9800;
    --error-red: #f44336;
}

/* 全局暗色背景覆盖 */
body {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #2c2c2c 100%);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    min-height: 100vh;
}

/* 搜索容器 - 全新渐变背景 */
.search-container {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--secondary-yellow) 50%, var(--accent-teal) 100%);
    position: relative;
    overflow: hidden;
}

.search-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)" /></svg>');
    opacity: 0.3;
}

.search-container > * {
    position: relative;
    z-index: 1;
}

/* 结果项卡片 - 全新设计 */
.result-item {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.result-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-orange), var(--secondary-yellow));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.result-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(255, 107, 53, 0.2), 0 0 0 1px var(--primary-orange);
    border-color: var(--primary-orange);
}

.result-item:hover::before {
    transform: scaleX(1);
}

/* 语言提示条 - 暗色主题 */
.language-tip {
    background: linear-gradient(135deg, var(--dark-card) 0%, var(--dark-surface) 100%);
    border-bottom: 1px solid var(--primary-orange);
    backdrop-filter: blur(10px);
}

.language-tip-content {
    color: var(--text-primary);
    padding: 12px 20px;
}

.language-tip-content i.fa-language {
    color: var(--primary-orange);
    font-size: 18px;
    margin-right: 12px;
}

.language-tip-close {
    color: var(--text-secondary);
    transition: all 0.3s ease;
    padding: 4px 8px;
    border-radius: 6px;
}

.language-tip-close:hover {
    color: var(--primary-orange);
    background: rgba(255, 107, 53, 0.1);
}

/* 头部导航栏 - 暗色玻璃效果 */
header {
    background: rgba(45, 45, 45, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Logo 样式更新 */
.logo-text {
    background: linear-gradient(135deg, var(--primary-orange), var(--secondary-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
}

.logo-badge {
    background: linear-gradient(135deg, var(--primary-orange), var(--secondary-yellow)) !important;
    color: #ffffff !important;
    padding: 4px 12px;
    border-radius: 8px;
    font-weight: 600;
    margin-left: 8px;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
    -webkit-text-fill-color: #ffffff !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    display: inline-block;
    background-clip: border-box !important;
    -webkit-background-clip: border-box !important;
}

/* 导航链接样式 */
.nav-link {
    color: var(--text-secondary);
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 8px;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-orange);
    background: rgba(255, 107, 53, 0.1);
}

/* 按钮样式重新设计 */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-dark));
    border: none;
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
    background: linear-gradient(135deg, var(--primary-orange-light), var(--primary-orange));
}

/* 输入框样式 */
.form-input {
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid transparent;
    color: #333;
    padding: 14px 18px;
    border-radius: 12px;
    transition: all 0.3s ease;
    font-size: 16px;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.1);
    background: white;
}

/* 特性卡片重新设计 */
.feature-card {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.05), rgba(255, 167, 38, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-orange);
    box-shadow: 0 20px 40px rgba(255, 107, 53, 0.15);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary-orange), var(--secondary-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

/* 页脚重新设计 */
footer {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #0f0f0f 100%);
    border-top: 1px solid var(--border-color);
    color: var(--text-primary);
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-orange), var(--secondary-yellow), var(--accent-teal));
}

.footer-title {
    color: var(--primary-orange);
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-link {
    color: var(--text-secondary);
    transition: all 0.3s ease;
    padding: 4px 0;
    display: inline-block;
}

.footer-link:hover {
    color: var(--primary-orange);
    transform: translateX(4px);
}

/* 标签按钮重新设计 */
.tab-btn {
    background: var(--dark-surface);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 12px 20px;
    border-radius: 12px 12px 0 0;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-right: 4px;
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-dark));
    color: white;
    border-color: var(--primary-orange);
    box-shadow: 0 -4px 20px rgba(255, 107, 53, 0.3);
}

.tab-btn:hover:not(.active) {
    background: var(--dark-card);
    color: var(--primary-orange);
    border-color: var(--primary-orange);
}

/* 加载动画重新设计 */
.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(255, 107, 53, 0.2);
    border-top: 4px solid var(--primary-orange);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 进度条样式 */
.progress-bar {
    background: linear-gradient(90deg, var(--primary-orange), var(--secondary-yellow));
    height: 6px;
    border-radius: 3px;
    transition: width 0.3s ease;
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* 响应式设计优化 */
@media (max-width: 768px) {
    .feature-card {
        padding: 24px 20px;
    }
    
    .result-item {
        padding: 16px;
        border-radius: 12px;
    }
    
    .search-container {
        padding: 60px 0;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-orange), var(--secondary-yellow));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--primary-orange-light), var(--primary-orange));
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 社交媒体图标样式 */
.social-icon {
    color: var(--text-secondary);
    font-size: 1.5rem;
    transition: all 0.3s ease;
    padding: 8px;
    border-radius: 8px;
}

.social-icon:hover {
    color: var(--primary-orange);
    background: rgba(255, 107, 53, 0.1);
    transform: translateY(-2px);
}